Boom! Boom! Boom!
Wizards had infiltrated the Woolworth Building during its construction, using various spells to hide a space belonging exclusively to wizards within the Muggles' building.
With the correct spell, one could enter the Magical Congress of the United States through the revolving doors.
This was an extremely powerful application of spatial magic, equivalent to hiding the Magical Congress in another dimension separate from the real world. Hogwarts' Room of Requirement was set up in a similar manner, and its spatial magic was even more advanced than that used by the Magical Congress.
Murphy and his magical research division had yet to fully understand the principles involved, but that did not prevent him from destroying it.
The principle behind Anti-Magic Bullets was to use powerful, chaotic raw magical energy to disrupt the flow of magic around them. Once they exploded, they created an area of magical chaos. They were not particularly effective against gods, creatures that essentially cast wish-like spells through their vast reserves of magic, but they were highly effective at destroying spells based on the Magic Web or certain rituals.
Several Anti-Magic Bullets detonated, and the Woolworth Building suddenly flickered. Then, a massive clock-like structure appeared out of thin air, squeezing into the center of the building. The next moment, it vanished again, but it left behind a huge hole that pierced through several floors.
Fortunately, the Muggles in the Woolworth Building had all headed for shelter after the earlier air raid alarm sounded, so no civilians were harmed by the impact.
Then came the second wave of Anti-Magic Bullets, and the spatial magic attached to the Woolworth Building finally broke apart.
After several rapid flickers, there was a boom as countless desks, chairs, and strange devices all poured into the building at once. The Magical Congress